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US 7,744,155 B2Granted
Protection system
AssigneeMowag GmbH
InventorsHans-Jörg List, Uwe Fehr, Kai-Uwe Keller, Michael Bieniek
Life of this patent
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AssigneeMowag GmbH
InventorsHans-Jörg List, Uwe Fehr, Kai-Uwe Keller, Michael Bieniek
Estimating the term…
The protection system is used especially for the protection against a fatal effect of vertical accelerations triggered by a landmine on the passengers of an armored vehicle. For this, the sitting unit consisting of a seat body (7) and a backrest (8) is held movable in vertical direction and is coupled with an end area (15) of a longitudinally variable damping device (11), whose other end (13) is connected to the roof (4) of the vehicle (2) through a carrying equipment (6). In addition, the sitting unit is carried with vertical distance from the vertical guide (18) in a lower guide path (19) transversally directed so that the sitting unit executes both a downward as well as a tilting movement relative to the vehicle together with a passenger (3) during loading through vertical acceleration. In this way, an improved usage of the constructively limited effective length of the damping device (11) occurs so that the effect of the protection system is essentially improved. It is sensible to apply the same principle for the protection of all objects, which must be protected against the reaching or exceeding of a maximum load due to a too large acceleration or deceleration.
A protection system against a fatal effect of vertical accelerations on an object which is supported in a cabin (2), or on a person (3), in which a supporting unit (7) provided for this, having a supporting surface for the object (3), is held movable by means of a vertical running guide (18) and is coupled to a longitudinally variable damping device (11), which is connected to a wall (4) of the cabin (2) through a carrying equipment (6), in which the supporting unit (7) is held transversally movable in a transversal guide (19) in addition to its guidance in the vertical running guide (18), wherein the vertical running guide (18) and the transversal guide (19) are provided with vertical offset from each other in the carrying equipment (6) so that the supporting unit (7) executes both a downward as well as a tilting movement relative to this during loading through vertical acceleration of the cabin (2), in which the carrying equipment (6) is connected to its roof structure (4), so that a vertical acceleration acting on the floor area (10) of the cabin (2) and transmitted to its roof structure (4) is transmitted from this to the carrying equipment (6).
Dependencies are inferred from the claim text.